ML17286A601
| ML17286A601 | |
| Person / Time | |
|---|---|
| Site: | Columbia  |
| Issue date: | 02/12/1991 |
| From: | Zimmerman R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | |
| Shared Package | |
| ML17286A598 | List: |
| References | |
| 50-397-90-31, NUDOCS 9103010038 | |
| Download: ML17286A601 (2) | |
Text
~PPEN IX B OTI OF DEVIATION Washington Public Power Supply System Docket No. 50-397 WNP-2 License No.
NPF-21 Richland, Washington During an NRC inspection conducted on December 3, 1990 - January 13, 1991 a
'eviation from a commitment to the NRC was identified.
In accordance with the "General Statement of Policy and Procedure for NRC Enforcement Actions",
10 CFR Part 2, Appendix C (1990), the deviation is listed below:
4 NRC Inspection Report No. 50-397/89-17, Paragraph 12, for the period June 4 - July 9, 1989, states in part:
."The Assistant Plant Manager committed to assess the vibration problem in the HPCS'system and correct it by the end of the 1990 refueling outage."
Contrary to the above, on October 23, 1990, after completion of the 1990 refueling outage, a leaking crack in the drain line to high pressure core spray (HPCS) valve HPCS-V-36 was.identified.
This crack was determined by the licensee to be the result of vibration-induced fatigue.
No action had been taken on the HPCS system to reduce the vibration.
This is a Deviation.
Please provide to the U. S. Nuclear Regulatory Commission, ATTN:
Document Control Desk, Washington DC, 20555, with a copy to the Regional Administra-tor, Region V, and a copy to the NRC Senior Resident Inspector, WNP-2, in writing within 30 days of the date of this Notice, the reasons for the devia-tion, the corrective steps which have been taken and the results
- achieved, the corrective steps which will be taken to avoid further deviations, and the date when your corrective actions will be completed.
Where good cause is shown, consideration will be given to extending the response time.
FOR THE NUCLEAR REGULATORY COMMISSION Dated at Walnut Creek, California this ~2-th day of February, 1991 R.
P.
Zimmerman, Dire or Division of Reactor Safety and Projects e
Pi03010038 910212 PDR AGOG Q5000397 G
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